Author Topic: Identifying Materials Using Archimedes' Principle.  (Read 7348 times)

Offline John Hill

  • The Artful Bodger
  • Madmodder Committee
  • Hero Member
  • *****
  • Posts: 1966
  • Country: nz
Re: Identifying Materials Using Archimedes' Principle.
« Reply #25 on: February 12, 2015, 01:40:29 AM »
I made a balance once to demonstrate to kids that "air is not nothing"  by weighing a balloon before and after inflating it.

(Yes I know, what that really shows is that compressed air is heavier than ambient pressure.)
From the den of The Artful Bodger